嗜铬细胞瘤忌用() ["多巴胺","山莨菪碱","去甲肾上腺素","酚妥拉明","硝普钠"]
正常成人输尿管内径的超声测值为() ["2~4mm","4~6mm","6~8mm","8~10mm","10~12mm"]
亚急性联合变性的病因()。 ["维生素B12缺乏","维生素B1缺乏","维生素B6缺乏","内因子缺乏","叶酸缺乏"]
下列受体和阻断剂的搭配正确的是() ["异丙肾上腺素--普萘洛尔","肾上腺素--哌唑嗪","去甲肾上腺素--普萘洛尔","间羟胺--育亨宾","多巴酚丁胺--美托洛尔"]
女性,20岁。阵发性意识丧失伴四肢抽搐半年,脑电图示癫痫样放电,神经系统检查无阳性体征,现拟用抗癫痫药治疗,首选() ["卡马西平","地西泮(安定)","乙琥胺","氯硝西泮","扑米酮(扑痫酮)"]
计算墙体工程量时墙的长度:外墙长度按()计算。